CVE-2006-6661
published 2006-12-20CVE-2006-6661: Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables and execute…
PriorityP344high7.5CVSS 2.0
AVNACLAuNCPIPAP
EXPLOIT
EPSS
6.28%
92.7th percentile
Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables and execute arbitrary PHP code via multiple vectors that use the extract function, as demonstrated by the (1) f, (2) newmessage, (3) newusername, (4) adminuser, and (5) permission parameters.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| php-update | php-update | <= 2.7 | — |
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CWE
Improper Control of Dynamically-Identified Variables
mitre_cwe·CVSS 6.4
[MEDIUM] CWE-914 Improper Control of Dynamically-Identified Variables
CWE-914: Improper Control of Dynamically-Identified Variables
The product does not properly restrict reading from or writing to dynamically-identified variables.
Many languages offer powerful features that allow the programmer to access arbitrary variables that are specified by an input string. While these features can offer significant flexibility and reduce development time, they can be extremely dangerous if attackers can modify unintended variables that have security implications.
Modes of Introduction:
Phase: Implementation
Common Consequences:
Scope: Integrity. Impact: Modify Application Data. An attacker could modify sensitive data or program variables.
Scope: Integrity. Impact: Execute Unauthorized Code or Commands.
Scope: Other, Integrity. Impact: Varies by Context, Alter Exec
CWE
Variable Extraction Error
mitre_cwe·CVSS 7.5
[HIGH] CWE-621 Variable Extraction Error
CWE-621: Variable Extraction Error
The product uses external input to determine the names of variables into which information is extracted, without verifying that the names of the specified variables are valid. This could cause the program to overwrite unintended variables.
For example, in PHP, extraction can be used to provide functionality similar to register_globals, a dangerous functionality that is frequently disabled in production systems. Calling extract() or import_request_variables() without the proper arguments could allow arbitrary global variables to be overwritten, including superglobals. Similar functionality is possible in other interpreted languages, including custom languages.
Modes of Introduction:
Phase: Implementation
Common Consequences:
Scope: Integrity. Impact: M
2006-12-20
Published